Delphius1

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About Delphius1

  • Rank
    Advanced Member

Profile Information

  • First Name
    Mark
  • Lexus Model
    RX300/RX330
  • Year of Lexus
    2004
  • UK/Ireland Location
    Hampshire

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  1. I'm not overly worried that my 15 year old RX is going to be stolen. It got security built in, has ultrasonic sensors and doesn't have the advanced keyless entry/start keys. Old skool technology wins! One thing in Lexus's favour is they aren't as prone to theft and parting out/shipping abroad like top end German cars, LandRovers and Land Cruisers. Plus on mine the scabby wheels and the smell of oil from the leaking cam cover gaskets would put most thieves off. :-D
  2. One option would be to use a Bluetooth dongle plugged into the OBD2 port. Most of the compatible smartphone apps have the ability do show the sort of information you need like MPG, distance to zero, fuel level etc. and show it on a smart phone screen. If you have an old android smart phone sat in a drawer, then it can be resurrected with the right app as an eco-readout! You may have to put the tank capacity into the app as that data isn't available from the vehicle, but once you program it with the tank capacity and where the fuel level is reading, you can get a readout of tank capacity and miles to zero. Of course the accuracy is only as good as the information you put in, but that's really the only way to generate the information.
  3. On the plus side, maybe you can wangle cheap insurance from LV. It's their colour..
  4. Don't forget that sealed AGM and Gel batteries have low charge rates (to avoid gassing) and need regular long runs to recharge them, or the occasional recharge at low charge rates to bring them back to their best. Lots of use of accessories and short journeys coupled with a miniscule charge rate can significantly reduce the amount of charge in a battery over time until its on its knees so to speak. Some sealed AGM and Gel batteries can take up to 7 days to fully recharge from fully discharged because the charge rate (by design) is so low. I used to design and test power supplies that used such batteries and in automotive applications they have their limitations. Which is why car manufacturers in general have gone back to wet lead acid or are looking at lithium based batteries (but lithium batteries have their own set of issues).
  5. Ah, ok. Progress isn't always forwards! It would be interesting to see if a smart keyless car can be programmed with Techstream. YouTube videos say it should be possible with a replacement key fob.
  6. Hi, Is it the same 3-button key as the RX300? If it's the smart keyless entry/start then that's different. I created a new 3-button key for my RX300 a few months ago. The process should be straightforward. It cost me about £40 to create a spare key. I bought a used key off eBay for £25, but made sure it have the same markings on the back. That way the electronics in the key were the same as the only working key I had. Once the key arrived from eBay I junked the case because all I wanted were the electronics in the key. The electronics interface with the security system (the immobiliser) and also the central locking. I bought a replacement blank key from ebay and got the blade cut to match the currently working key. So the key would turn in the locks, but the electronics needed programming. I used Techstream software plugged into the car to get it to recognise the "new" (new to the car) immobiliser chip in the key. Then it was just a case of going through the rigmarole needed to get the central locking part of the fob recognised by the car. There are a few how-to videos on YouTube if you search for RX key programming.. The details are here:
  7. The main fan should come on around 90-100 degrees. I've not checked it on my cheap Bluetooth OBD2 dongle and phone, but most cars come on around that temp. The secondary fan should be on all the time as soon as you switch the A/C on.
  8. If the car has the ultrasonic pack by the dome lights, then try and hold the off button on the ultrasonic unit for a few seconds to switch the sensors off an see if that makes a difference. The security light on the dash should flash rapidly when you press and hold the off button and that shows the ultrasonics are switched off. That rules out sensor issues, or possibly a window slightly open messing about with the ultrasonic alarm sensors. I doubt in this weather you're leaving the sunroof open. ;-) If the doors are left open, or the switches are broken to make the alarm think they're open the beeps sound immediately when you press the lock button, not after a few minutes. If the windows or sunroof are open a small crack, a breath of wind through the gap can trigger the ultrasonics and that can happen any time after the alarm is set. Other than that, possibly a weak battery draining too much too quickly may set it off. Of course once storm Gareth has gone, if the alarm stops, then it was just the wind pushing the car around and triggering the vibration sensor.
  9. I just wonder if the battery has been disconnected, have you turned the steering from lock to lock a few times to recalibrate the steering system? Have you tried turning the steering to full lock, holding it there for a few seconds and then turning to the opposite lock and holding for a few seconds and then back to original lock and holding for a few seconds? The steering system may have to relearn where each maximum steering angle is so it can then display the lines accurately.
  10. If you search for superpro, you can see my posts about having polyurethane bushes fitted. I second what Gliderpilot said, front lower arm swapping is a pig of a job. Even if you just swap the arms with bushes pre-installed. The engine has to be lifted and the subframe dropped to allow the engine mounts to be removed and get access to the bolts securing the front arm mountings.
  11. On My RX300 the low fuel light comes on with around 50 miles range left on the info display. I've run it down past zero miles on the info display by a further 5 miles and still ran the car to a petrol station. Not by choice, but when I was out in the sticks late at night in an unfamiliar area trying to find an open petrol station. That night I understood what electric vehicle drivers feel regarding range anxiety.. :-)
  12. The self-locking "issue" on my RX and being pretty forgetful/accident prone was one of the reasons I got a second flick blade key cut and coded it myself. Now I always have a spare key available even if I have to go home and get it. If I'm travelling away from home the spare stays in my "other" pocket. Being a flick out blade key, it's pretty compact, so doesn't take up much pocket space.
  13. The expansion tank on the RX is not pressurised. When the coolant heats up and expands, it pushes past a spring-loaded valve in the radiator cap and fills the expansion tank. When the coolant cools and contracts, a vacuum is creates and the coolant in the expansion tank is sucked past a second valve in the radiator cap to maintain the coolant level. If the return valve is stuck, or the small bore pipe from the expansion tank to the radiator neck is blogged, the coolant can't return to the radiator. The vacuum caused by the contracting coolant causes the hoses to collapse. The good news is you have no leaks in the coolant system, but it does need seeing to as it will affect coolant flow at colder engine temperatures. An aftermarket radiator cap shouldn't break the bank and neither should checking the expansion tank hose for a blockage.
  14. Hi, The 400h has a CVT gearbox on it. Not the best for towing and the gearbox can be easily damaged by hard towing use. The best gearbox for heavy towing is either a manual or an auto with a torque convertor. The CVT, DSG and similar modern automatics tend to not cope well with heavy towing use. For instance slowly reversing a big caravan up an incline, like you would manoeuvring a caravan in reverse up onto a drive. It can be hard on a manual clutch, let alone the modern semi-auto boxes (but at least on a manual you instinctively know when you're abusing the clutch and give it a rest... DGS gearboxes don't. The wet clutch DSG boxes fare a bit better because the oil tends to have a cooling effect, but the dry clutch DSG boxes have a habit of failing to pull the car on it's own, let alone a heavy trailer. CVT gearboxes can burn out belts and/or drums if pushed too far. A torque convertor box will just sit there spinning fluid around with just a moderate increase in heat. Not knowing exactly how the motors on the 400h integrate mechanically and electrically with the drive train, I'd say walk away. Although it would be handy to plug a techstream in to see how many error codes the transmission has. :-)
  15. Reminds me of when I had my old ratty Vauxhall Vectra in the snow years ago. A VW 4x4 driver was trying to get up a slight icy/snowy incline using the Jeremy Clarkson method (more power!). He was making no progress on this slight incline and spinning all 4 wheels. In fact he went backwards more than forwards. I got fed up and pulled out around this idiot in my ratty front wheel drive car and drove past with non-spinning wheels gripping the snow and ice. He just looked out of his window dumbfounded... This weather does bring out the more thoughtless and inconsiderate drivers. Mind you, my driving instructor was a bit of a comedian. On my lessons where it had snowed, he used to get me to drive up onto the moors and then tried to find the worst icy hill for me to climb. I generally got up all of them. Those were the days back when we had real snow. 8ft banks either side of the road.